Mandel has directed over 20 movies
and TV series. His resume reads like a laundry list of
critically-acclaimed programming. He has directed The Practice,
Nash Bridges and The X-Files (9 episodes including
the pilot). Some of his directorial performances on the big screen
include School Ties, The Haunted and The Substitute. He has
worked with Brian Dennehy twice before - in the memorable thriller
F/X and The Perfect Witness.